Siemens SIMATIC S7-400 ICSA-18-317-02 Multiple Denial of Service Vulnerabilities

Bugtraq ID:	107309
Class:	Input Validation Error
CVE:	CVE-2018-16556 CVE-2018-16557
Remote:	Yes
Local:	No
Published:	Nov 13 2018 12:00AM
Updated:	Nov 13 2018 12:00AM
Credit:	CNCERT/CC
Vulnerable:	Siemens SIMATIC S7-410 8.1 Siemens SIMATIC S7-410 8 Siemens SIMATIC S7-400H CPU 4.5 Siemens SIMATIC S7-400 PN/DP 7 Siemens SIMATIC S7-400 H V6 0 Siemens SIMATIC S7-400 (incl. F) CPU 6.0 Siemens SIMATIC S7-400 (incl. F) CPU 5.2 Siemens SIMATIC S7-400 (incl. F) CPU 5.0 Siemens SIMATIC S7-400 (incl. F) CPU 4.0
Not Vulnerable:	Siemens SIMATIC S7-410 8.2.1

Siemens SIMATIC S7-400 ICSA-18-317-02 Multiple Denial of Service Vulnerabilities

Siemens SIMATIC S7-400 CPU is prone to multiple denial-of-service vulnerabilities.

Remote attackers may exploit these issues to cause denial-of-service conditions, denying service to legitimate users.

The following SIMATIC S7-400 products are affected:

S7-400 v6 (including F) and prior all versions,
S7-400 PN/DP v7 (including F) all versions,
S7-400H v4.5 and prior all versions,
S7-400H v6 all versions, and
S7-410 all versions prior to v8.2.1

Siemens SIMATIC S7-400 ICSA-18-317-02 Multiple Denial of Service Vulnerabilities

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Siemens SIMATIC S7-400 ICSA-18-317-02 Multiple Denial of Service Vulnerabilities

Solution:
Updates are available. Please see the references or vendor advisory for more information.